Mount Rainier National Park
4 to 23°C
temperature
2557 hours
sunshine per day
936 mm
rain
160 days
dry
183 days
rain
22 days
snow

Climate of Mount Rainier National Park

Mount Rainier National Park has a mediterranean climate. Summers are cool and dry, and the temperature is cold in the winter. The average annual temperature for Mount Rainier National Park is 13° degrees and there is about 937 mm of rain in a year. It is dry for 153 days a year with an average humidity of 81% and an UV-index of 3.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 4°C and 23°C
  • Night:the average nighttime temperature is between -1°C and 9°C
  • Rain: it rains 183 days and there is a total of approximately 936 mm rainfall
  • Snow: it snows an average of 22 days per year
  • Sun hours: throughout the year there are 2557 sun hours
Maximum temperature: between 4°C and 23°C
Warmest month: 23°C in July
Coldest month: 4°C in December
Night temperature: between -1°C and 9°C
Dry days: 160 days
Days with rain: 183 days
Days with snow: 22 days
Total rain sum: 936 mm
Hours of sunshine: 2557 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Mount Rainier National Park.

Precipitation graph

This graph shows the average amount of rainfall per month for Mount Rainier National Park.

Climate table of Mount Rainier National Park

In this climate table you can see at a glance what the average weather per month is for Mount Rainier National Park. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Mount Rainier National Park might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 5 5 8 11 15 18 23 23 20 14 8 4
Night temp. (°C) 0 -1 0 2 4 6 8 9 8 5 2 -1
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 120 101 115 79 50 37 12 18 32 108 131 133
Days with rain 18 17 21 20 14 13 6 7 11 17 21 18
Days with snow 3 6 4 2 - - - - - - 2 5
Dry days 10 5 6 8 17 17 25 24 19 14 7 8
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 4 4 6 7 9 9 11 11 9 5 4 4
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 2 2 2 3 3 4 5 4 3 2 1 2

Best time to visit Mount Rainier National Park

The best time to visit Mount Rainier National Park is June through September. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Mount Rainier National Park is 23°C in July and the lowest is 4°C in December.

Climate of Mount Rainier National Park by month

What is the average climate in a given month for Mount Rainier National Park? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Mount Rainier National Park weather experiences

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